Installer for the Windows Installer

instmsia.exe. What is it?

The instmsia.exe is a Installer for the Windows Installer.

This file is part of Windows Installer. Instmsia.exe is developed by Microsoft Corporation. It’s a system and hidden file. Instmsia.exe is usually located in the %SYSTEM% sub-folder and its usual size is 1,489,152 bytes.


Instmsia.exe creates new records and folders in the Windows registry. Check your system performance to eliminate possible application conflicts and system failures. Free scan for PC issues (Special offer. See more information about Outbyte, uninstall instructions, EULA and Privacy Policy)


Author: Microsoft CorporationProcess: Installer for the Windows InstallerPart Of: Windows InstallerCommon path(s): subfolder in %SYSTEM%Keywords(s): systemFilesize(s): 1,489,152 bytes, 1,707,856 bytes


Malware risk: Scan your PC for viruses and Trojans
Some viruses infect computers while disguised in the form of legitimate files, like instmsia.exe. Run an antivirus scan to ensure your PC is clean and safe.
Registry Errors: Free scan (run Registry Cleaner)Uninstallation: N/A Uninstall (run Unistall Manager)Disk & Memory Usage: N/A Free scan (run Task Manager)

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